Sanyo DS27820 Service Manual Download | Manualshive

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Schematic
Location

Part No.

Description

Schematic
Location

Part No.

Description

C253

403 086 1808

NP-ELECT

0.47U M

50V

C256

403 049 0008

ELECT

1U M

50V

C257

403 224 6108

CERAMIC

0.01U K

50V

C258

403 043 9106

ELECT

47U M

16V

C272

403 050 6600

ELECT

3.3U M

50V

C274

403 041 8804

ELECT

10U M

16V

C284

403 041 8804

ELECT

10U M

16V

C285

403 224 6108

CERAMIC

0.01U K

50V

C301

403 041 8804

ELECT

10U M

16V

C302

403 041 8804

ELECT

10U M

16V

C303

403 357 9601

CERAMIC

0.1U Z

50V

C306

403 357 9601

CERAMIC

0.1U Z

50V

C313

403 357 9601

CERAMIC

0.1U Z

50V

C314

403 357 9601

CERAMIC

0.1U Z

50V

C316

403 357 9601

CERAMIC

0.1U Z

50V

C317

403 357 9601

CERAMIC

0.1U Z

50V

C322

403 357 9601

CERAMIC

0.1U Z

50V

C323

403 357 9601

CERAMIC

0.1U Z

50V

C401

403 044 1703

ELECT

470U M

16V

C402

403 224 6108

CERAMIC

0.01U K

50V

C403

403 063 0206

POLYESTER 6800P K

50V

403 312 2807

POLYESTER 6800P K

50V

C405

403 086 2607

NP-ELECT

1U M

50V

C406

403 076 3607

CERAMIC

470P K

500V

C407

403 076 0507

CERAMIC

2200P K

500V

C408

403 055 0504

ELECT

1U M

160V

★

C410

403 324 3007

CERAMIC

680P K

3K

★

C412

403 343 7703

MT-POLYPRO0.012U H 1.5KV

404 079 1607

MT-POLYPRO0.012U H 1.5KV

★

C416

403 349 3105

MT-POLYPRO 0.12U J

250V

403 372 6203

MT-POLYPRO 0.12U J

250V

404 081 7109

MT-POLYPRO 0.12U M

200V

★

C417

403 346 6921

MT-POLYPRO 0.22U J

250V

403 372 6609

MT-POLYPRO 0.22U J

250V

404 081 2401

MT-POLYPRO 0.22U M

200V

C421

403 038 6301

ELECT

220U M

6.3V

C426

403 038 9708

ELECT

330U M

6.3V

C427

403 224 6108

CERAMIC

0.01U K

50V

C441

403 224 6108

CERAMIC

0.01U K

50V

C473

403 067 7805

MT-COMPO

0.47U J

50V

C473

403 166 7706

MT-POLYEST 0.47U J

63V

C482

403 115 0703

ELECT

47U M

100V

C484

403 051 0607

ELECT

4.7U M

50V

C486

403 076 3607

CERAMIC

470P K

500V

C487

403 052 8503

ELECT

1000U M

35V

C489

403 044 1703

ELECT

470U M

16V

C493

404 056 5307

NP-ELECT

2.2U M

100V

C497

403 038 1603

ELECT

100U M

6.3V

C502

403 053 2104

ELECT

220U M

35V

C503

403 276 0208

ELECT

2.2U K

50V

C504

403 045 9807

ELECT

2200U M

25V

C505

403 067 7805

MT-COMPO

0.47U J

50V

403 166 7706

MT-POLYEST 0.47U J

63V

C506

403 062 5301

POLYESTER 5600P K

50V

403 312 2401

POLYESTER 5600P K

50V

C508

403 235 0300

CERAMIC

56P J

50V

C509

403 067 7805

MT-COMPO

0.47U J

50V

C509

403 166 7706

MT-POLYEST 0.47U J

63V

★

C511

403 058 5407

POLYESTER

0.15U K

50V

403 141 5802

POLYESTER

0.15U J

50V

C516

403 051 0607

ELECT

4.7U M

50V

★

C601

404 066 2204

MT-POLYEST 0.22U M

275V

404 071 2404

MT-POLYEST 0.22U M

250V

★

C608

403 266 5008

CERAMIC

2700P K

1K

★

C609

404 075 5005

ELECT

470U M

200V

C612

403 067 6501

MT-COMPO

0.18U J

50V

403 166 8208

MT-POLYEST 0.18U J

63V

C613

403 214 5203

POLYESTER 0.012U J

50V

403 311 9203

POLYESTER 0.012U J

50V

C620

403 214 5203

POLYESTER 0.012U J

50V

403 311 9203

POLYESTER 0.012U J

50V

C622

403 045 1504

ELECT

1000U M

25V

★

C625

403 266 5008

CERAMIC

2700P K

1K

C626

403 043 1902

ELECT

2200U M

16V

C628A

404 037 0703

ELECT

470U M

160V

C629

403 043 0202

ELECT

220U M

16V

C630

403 049 0008

ELECT

1U M

50V

★

C631

404 088 2909

CERAMIC

1000P M

250V

404 088 7102

CERAMIC

1000P M

250V

★

C632

404 088 3005

CERAMIC

2200P M

250V

404 088 7201

CERAMIC

2200P M

250V

C634

403 043 9106

ELECT

47U M

16V

C636

403 224 6108

CERAMIC

0.01U K

50V

C683

403 038 6301

ELECT

220U M

6.3V

C689

403 357 9601

CERAMIC

0.1U Z

50V

C693

403 047 8402

ELECT

0.1U M

50V

C701

403 224 5705

CERAMIC

1000P K

50V

C711

403 224 5705

CERAMIC

1000P K

50V

C721

403 224 5705

CERAMIC

1000P K

50V

C741

403 049 0008

ELECT

1U M

50V

★

C742

403 077 2807

CERAMIC

1000P Z

2K

C801

403 224 6108

CERAMIC

0.01U K

50V

C806

403 039 3507

ELECT

470U M

6.3V

C808

403 224 5507

CERAMIC

22P J

50V

C809

403 224 5507

CERAMIC

22P J

50V

C811

403 049 0008

ELECT

1U M

50V

C822

403 041 8804

ELECT

10U M

16V

C829

403 049 0008

ELECT

1U M

50V

C835

403 224 6108

CERAMIC

0.01U K

50V

C841

403 357 9601

CERAMIC

0.1U Z

50V

C842

403 357 9601

CERAMIC

0.1U Z

50V

C843

403 357 9601

CERAMIC

0.1U Z

50V

C853

403 047 8402

ELECT

0.1U M

50V

C854

403 235 0706

CERAMIC

120P J

50V

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Summary of Contents for DS27820

Page 1: ... 23 Component and Test Point Locations 24 27 Schematic Insert 29 36 Schematic Notes 29 Pin Layouts 29 Capacitor and Resistor Codes 29 Block Diagram 30 31 Voltage Charts 30 32 Waveforms 32 Schematic Diagram 33 36 Specifications Power Rating 120V 60Hz 86W Avg 2 5A Max Antenna Input Impedance 75Ω UHF VHF CATV Receiving Channel 2 13 VHF 14 69 UHF 01 14 94 95 125 CATV Remote Ready 38 Key Remote Control...

Page 2: ...inet screw heads metal overlays control shafts etc Measure the AC voltage across the 1500 ohm resistor The AC voltage should not exceed 750 mV A reading exceeding 750 mV indicates that a dangerous potential exists The fault must be located and corrected Repeat the above test with the receiver power plug reversed NEVER RETURN A RECEIVER TO THE CUSTOMER WITHOUT TAKING THE NECESSARY CORRECTIVE ACTION...

Page 3: ...Disconnect the AC power cord AC 120V line 2 While pressing the MENU key reconnect the AC power cord The Service Menu display will now appear 3 Select NO 03 HP H Phase with or key Adjust the data with or key for 10 4 Select NO 05 VPO V Position with or key Adjust the data with or key for 12 5 Select NO 07 VLN V Lin with or key Adjust the data with or key for 13 6 Select NO 10 VSC V S Correction wit...

Page 4: ...tion 11 HBR 3 3 0 7 H BLK R 12 HBL 4 4 0 7 H BLK L 13 CDM 0 0 0 1 C D Mode 14 VC 5 7 0 7 Vertical Compression 15 RB 0 0 0 255 Red Bias 16 GB 0 0 0 255 Green Bias 17 BB 0 0 0 255 Blue Bias 18 RD 64 64 0 127 Red Drive 19 GD 8 8 0 15 Green Drive 20 BD 64 64 0 127 Blue Drive 21 SBI 64 54 0 127 Sub Bias 22 OSD 2 2 0 3 OSD Contrast 23 POS 0 0 0 1 Pre Over SW 24 FLS 2 2 0 7 Filter System 25 CKO 3 3 0 7 C...

Page 5: ...54 SCO 7 5 0 31 Sub Color 55 STI 20 20 0 31 Sub Tint 56 SSH 12 8 0 31 Sub Sharpness 57 OPT 0 88 0 255 Option See Note 1 page 6 58 OP2 0 54 0 255 Option 2 See Note 2 page 6 59 HR 24 18 0 63 OSD Horizontal Position 60 ATT 10 10 0 63 Input Level 61 WDB 32 32 0 63 Wideband 62 SPC 32 32 0 63 Spectral 63 SBO 5 5 0 255 Sub Bright Offset 64 PCO 40 40 0 63 PIP Color 65 PTI 40 40 0 63 PIP Tint 66 PUV 24 24 ...

Page 6: ... 3 7 and 9 keys on the remote control See Figure 2 The Drive Level adjustment data will be written in the Service Menu No 18 and 20 automatically 1 2 3 4 5 6 7 9 8 RB RB BB BB N A GB N A GB N A FOR RED BIAS ADJUSTMENT FOR BLUE BIAS ADJUSTMENT FOR GREEN BIAS ADJUSTMENT Figure 2 Figure 3 1 2 3 4 5 6 7 9 8 RD RD BD BD N A N A N A N A N A FOR RED DRIVE ADJUSTMENT FOR BLUE DRIVE ADJUSTMENT BIT FUNCTION...

Page 7: ...o turn off the Service Menu display press the MENU key VERTICAL CENTERING ADJUSTMENT 1 Tune receiver to an active channel 2 Check that picture is in the center of TV screen If picture center is too low change resistor R513 from 1K ohm 1 2W to 470 ohm 1W If picture center is too high remove resistor R513 1K ohm 1 2W VCO ADJUSTMENT Note VCO must be adjusted after IC101 Signal Processor IC802 EEPROM ...

Page 8: ...ower cord 6 While pressing the MENU key reconnect the AC power cord The Service Menu display will now appear 7 Select NO 53 SB Sub Brightness with or key 8 Adjust the data with or key for 820mVDC 9 Press the MENU key to turn off the Service Menu display 10 Check brightness level on every active channel readjust repeat steps 5 9 if necessary Note Do not set to excessive brightness level otherwise t...

Page 9: ...nu key reconnect the AC power cord The Service Menu will now appear 5 Select NO 60 ATT Attenuation with the or key 6 Adjust the or key for a voltmeter reading of 400 20 mVrms at TP317 SEPARATION ADJUSTMENT 7 Turn off the receiver and disconnect the AC power cord AC 120V line 8 Connect oscilloscope CH1 to TP317 and CH2 to TP318 and ground 9 Connect an MTS TV Stereo generator to antenna terminal 10 ...

Page 10: ...n and any of these failures remains uncorrected the CPU will shut off the power within 3 seconds Check the following if the unit is turned off by the power failure detector 1 Disconnect the AC power cord 120V AC line for at least 10 seconds 2 Connect a DC Voltmeter to the following TEST POINTS 3 Press the Power key and check for the proper voltage supplies 4 If any of these voltages is low the pow...

Page 11: ...to keep these assemblies intact unless picture tube is being replaced Discharge the picture tube to the coating before handling the tube 1 Remove chassis referring to Chassis Removal instructions 2 Place cabinet s front face down on a soft surface 3 Remove the screw on each corner of the picture tube and GENTLY lift the picture tube out of the cabinet 4 Install a replacement picture tube in revers...

Page 12: ...C137 403 364 7508 CERAMIC 10P J 50V C141 403 224 6108 CERAMIC 0 01U K 50V C142 403 343 4603 CERAMIC 0 022U K 50V C143 403 224 6108 CERAMIC 0 01U K 50V C146 403 224 6108 CERAMIC 0 01U K 50V C147 403 038 1603 ELECT 100U M 6 3V C151 403 048 6308 ELECT 0 47U M 50V C153 403 048 6308 ELECT 0 47U M 50V C161 403 357 9601 CERAMIC 0 1U Z 50V C211 403 086 2607 NP ELECT 1U M 50V C212 403 049 9803 ELECT 2 2U M...

Page 13: ...V C502 403 053 2104 ELECT 220U M 35V C503 403 276 0208 ELECT 2 2U K 50V C504 403 045 9807 ELECT 2200U M 25V C505 403 067 7805 MT COMPO 0 47U J 50V 403 166 7706 MT POLYEST 0 47U J 63V C506 403 062 5301 POLYESTER 5600P K 50V 403 312 2401 POLYESTER 5600P K 50V C508 403 235 0300 CERAMIC 56P J 50V C509 403 067 7805 MT COMPO 0 47U J 50V C509 403 166 7706 MT POLYEST 0 47U J 63V C511 403 058 5407 POLYESTE...

Page 14: ... 50V C8012 403 296 0004 CERAMIC 0 1U K 25V C8014 403 323 3602 CERAMIC 0 047U K 50V C8015 403 319 4804 CERAMIC 0 22U Z 16V C8017 403 319 4804 CERAMIC 0 22U Z 16V C8021 403 357 9601 CERAMIC 0 1U Z 50V C8022 403 043 9106 ELECT 47U M 16V C8023 403 357 9601 CERAMIC 0 1U Z 50V C8024 403 043 9106 ELECT 47U M 16V C8026 403 357 9601 CERAMIC 0 1U Z 50V C8027 403 224 6108 CERAMIC 0 01U K 50V C8028 403 224 61...

Page 15: ...29 6706 DIODE RU4YX LF L1 407 211 6102 DIODE FE301 1L43 D625 407 129 7000 DIODE RU4AM LF L1 407 211 5808 DIODE FE201 6L43 D627 407 013 4306 DIODE 1S2076A 407 013 7109 DIODE 1S2473 408 008 2406 DIODE 1N4148 D629 407 054 7007 ZENER DIODE RD16EB1 16V 407 099 7208 ZENER DIODE MTZJ16A 16V D680 407 013 4306 DIODE 1S2076A 407 013 7109 DIODE 1S2473 408 008 2406 DIODE 1N4148 D683 407 013 4306 DIODE 1S2076A...

Page 16: ...L1901 645 008 2894 INDUCTOR 5 6U K L1901 645 016 3104 INDUCTOR 5 6U K L8007 645 008 2894 INDUCTOR 5 6U K 645 016 3104 INDUCTOR 5 6U K L8008 645 008 2894 INDUCTOR 5 6U K 645 016 3104 INDUCTOR 5 6U K L8022 610 031 3873 INDUCTOR 10U K 645 016 2534 INDUCTOR 10U K L8024 610 031 3873 INDUCTOR 10U K 645 016 2534 INDUCTOR 10U K L8032 610 031 3873 INDUCTOR 10U K 645 016 2534 INDUCTOR 10U K L8036 645 003 96...

Page 17: ...SC945A PA 405 020 7709 TR 2SC945A QA 405 020 7907 TR 2SC945A RA 405 151 8705 TR 2SC536NG NPA 405 157 0505 TR 2SC536NF NPA Q681 405 011 8401 TR 2SC1740S Q 405 011 8500 TR 2SC1740S R 405 011 8609 TR 2SC1740S S 405 012 2002 TR 2SC1815 GR 405 012 2101 TR 2SC1815 O 405 012 2309 TR 2SC1815 Y 405 020 7501 TR 2SC945A PA 405 020 7709 TR 2SC945A QA 405 020 7907 TR 2SC945A RA 405 151 8705 TR 2SC536NG NPA 405...

Page 18: ...Y 405 020 7501 TR 2SC945A PA 405 020 7709 TR 2SC945A QA 405 020 7907 TR 2SC945A RA 405 151 8705 TR 2SC536NG NPA 405 157 0505 TR 2SC536NF NPA Q8073 405 011 8401 TR 2SC1740S Q 405 011 8500 TR 2SC1740S R 405 011 8609 TR 2SC1740S S 405 012 2002 TR 2SC1815 GR 405 012 2101 TR 2SC1815 O 405 012 2309 TR 2SC1815 Y 405 020 7501 TR 2SC945A PA 405 020 7709 TR 2SC945A QA 405 020 7907 TR 2SC945A RA 405 151 8705...

Page 19: ...MT GLAZE 5 6K JA 1 10W R321 401 150 5905 MT GLAZE 10K JA 1 10W R323 401 256 4109 MT GLAZE 56 JA 1 10W R324 401 162 4101 MT GLAZE 5 6K JA 1 10W R326 401 256 4109 MT GLAZE 56 JA 1 10W R353 401 024 7400 CARBON 10K JA 1 6W R401 401 012 4503 CARBON 100 JA 1 4W R402 401 013 4205 CARBON 120 JA 1 4W R404 401 026 3905 CARBON 330 JA 1 6W R405 401 162 4101 MT GLAZE 5 6K JA 1 10W R406 401 010 8305 CARBON 5 6K...

Page 20: ...80 JA 1 6W R713 401 039 0304 MT GLAZE 820 JA 1 10W R714 401 039 0205 MT GLAZE 82 JA 1 10W R716 401 009 1508 CARBON 2 7K JA 1 2W R717 401 065 4604 OXIDE MT 12K JA 2W R721 401 025 3807 CARBON 180 JA 1 6W R723 401 039 0304 MT GLAZE 820 JA 1 10W R724 401 027 8107 CARBON 82 JA 1 6W R726 401 009 1508 CARBON 2 7K JA 1 2W R727 401 065 4604 OXIDE MT 12K JA 2W R803 401 024 6700 CARBON 100 JA 1 6W R804 401 0...

Page 21: ...005 401 162 3708 MT GLAZE 4 7K JA 1 10W R8006 401 162 3708 MT GLAZE 4 7K JA 1 10W R8009 401 026 9600 CARBON 470 JA 1 6W R8011 401 255 7002 MT GLAZE 51 JA 1 10W R8012 401 255 6609 MT GLAZE 300 JA 1 10W R8013 401 150 5806 MT GLAZE 100K JA 1 10W R8014 401 255 9600 MT GLAZE 820K JA 1 10W R8015 401 255 5800 MT GLAZE 2K JA 1 10W R8036 401 150 5806 MT GLAZE 100K JA 1 10W R8037 401 256 3607 MT GLAZE 15K J...

Page 22: ...SY PWB MAIN A101 645 052 6084 TUNER U V A701 610 289 6183 ASSY PWB SOCKET A1901 645 047 6228 UNIT REMOCON RECEIVER F601 423 007 1601 FUSE 125V 4A 423 007 1809 FUSE 125V 4A 423 018 8101 FUSE 125V 4A 423 029 8008 FUSE 125V 4A F601A 645 000 5077 HOLDER FUSE 645 016 0479 HOLDER FUSE F601B 645 000 5077 HOLDER FUSE 645 016 0479 HOLDER FUSE K1001 645 043 7007 JACK RCA 8 9 1 K1051 645 050 8882 SOCKET DIN ...

Page 23: ... 6 412 036 1805 SCREW 4X14 6 USED OR 411 078 1101 SCREW 4X14 6 USED 7 411 026 2303 SCREW 3X10 2 USED 8 610 297 6120 DEC AV SHEET 9 610 96 7258 BUTTON UNIT 10 610 285 1199 CAP RC 11 610 299 5763 DEC SHEET 12 610 293 2560 SANYO BADGE 610 297 8933 OWNER S MANUAL 645 053 8704 RC TRANSMITTER 610 290 1344 RC BATTERY COVER CABINET PARTS LIST KEY NO PARTS NO DESCRIPTION ACCESSORY PARTS LIST KEY NO PARTS N...

Page 24: ... 24 COMPONENT ANDTESTPOINT LOCATIONS MAIN BOARD FOIL SIDE ...

Page 25: ...005 B5 Q8006 B5 Part Loc Q8073 C4 Q8076 C4 Q8083 D4 Q8090 D4 Q8093 D5 Q8097 D5 R513 E3 TE7 H3 TP7 H3 TJ1 B3 TJ4 F3 TJ5 B4 TP16 E6 TP21 F6 TP50 H3 TP51 H3 TP317 B6 TP318 B6 T151 E6 MAIN BOARD COMPONENTS AND TEST POINTS GRID LOCATIONS PIC TUBE SOCKET BOARD COMPONENTS FOR CONTINUED PROTECTION AGAINST A RISK OF FIRE REPLACE ONLY WITH THE SAME TYPE 4A 125V FUSE ATTENTION POUR MAINTENIR LA PROTECTION CO...

Page 26: ... 26 COMPONENT ANDTESTPOINT LOCATIONS Cont IC1201 IC1201 IC3401 IC301 IC101 B E C IC801 MAIN BOARD PARTS SIDE ...

Page 27: ... 27 PICTURETUBE SOCKET BOARD ...

Page 28: ...28 April 2002 2000 SMC Printed in U S A For parts or service contact SANYO Fisher Service Corporation 21605 Plummer Street Chatsworth CA 91311 U S A 300 Applewood Crescent Concord Ontario L4K 5C7 CANADA ...

Page 29: ... CHARTS NOTE Voltages were measured using color bar signal and the controls adjusted for normal picture Device Pin Volts Mode IC101 42 GND IC101 43 GND IC101 44 2 2 IC101 45 3 7 IC101 46 2 0 IC101 47 3 0 IC101 48 0 IC101 49 2 5 IC101 50 GND IC101 51 GND IC101 52 2 8 IC101 53 5 2 IC101 54 2 7 IC101 55 2 7 IC101 56 2 3 IC101 57 GND IC101 58 3 6 IC101 59 4 4 IC101 60 4 4 IC101 61 GND IC101 62 GND IC1...

Page 30: ...B 250MJ 0 12UAP 250MJ 0 12AU 2SJ6 8K 4 7K 1 10GJ 75C 16EM22 1 10GJ 75C KK0 01 LZB 470 16EM10 1 10GJ 15KC 1 10GJ 22KC L2B9100KN L2E1100KN J30A 00101 J30A 00101 J30A 00101 J30A 00101 QT0229Z 2SC2688 1 K L M 2SC2621 CRA DRA ERA 1 10GJ 820 KK1000 LZB 1 10GJ 820 82 KK 1000 LZB 1 10GJ 820 KK 1000 LZB 2SJ 12K 2SJ 12K 2SJ 12K 1 2DJ 2 7K 1 2DJ 2 7K 1 2DJ 2 7K 2000KZ 1000HE X J X 1 10GJ 82 82 180 180 180 X ...

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